April 2022 1 14 Report
Zadanie 2. Oblicz wartość wyrażeń algebraicznych: a) 2· (2 x + 3 y) + 13 dla x = 3, y = 5

b) 2a + 4b -2 dla a = 3, b = -1

Zadanie 3. Uprość wyrażenie: a) 5x + 2,5x - 3x= b) 10x –2 + 3x – 7 -x =

c) 12x – 3y + 10 – 20y – 4x – 9 + 6x – 13 + 8y=

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